Gregory L. Welenson

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Holland, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency call completion for VoIP based on location of call origin...
- Patent number 7,453,990
- Issue date Nov 18, 2008
- Vonage Holdings Corp.
- Gregory L. Welenson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Emergency call completion for VoIP based on location of call origin...
- Publication number 20050175166
- Publication date Aug 11, 2005
- Gregory L. Welenson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE